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tDCS has come up before many times. Did you search the site and read previous comments?
It's a reference to 'em cities', where the limiting resource will be a combination of electricity generation + cooling. Scandinava has dams and geothermal energy so cheap electricity (think why Iceland has aluminum smelters) but also cold weather and even colder oceans, so cheap cooling.
Sure. But I'd point out that this observation (that you can hedge) cuts against Soylent as well: while consuming regular food to limit your downside from deficiencies in Soylent should work for overprovisioned substances, you're also limiting your upside since the more regular food you consume the less Soylent you must be consuming.
I look forward to your self-experiments...
Factors why I have not and probably will not:
* although see my reply to Qiaochu, at this point Rob isn't even at the 'crappy' level
Of course blocking on weeks wouldn't rule out long-term side-effects. (Nothing would, short of a multi-decade RCT to investigate all-cause mortality.)
My point was that he hasn't even done that much. Yet, he is happy to blog about the 1 week he took off Soylent to fly to LA and how crappy he felt wandering around a strange city and how this proves normal food sucks...
To copy over my earlier G+ comment:
ಠ_ಠ I completely disapprove of this. Soylent is a fun idea, sure, but Rhinehart's asking for $100k to launch a Soylent manufacturing company?! He hasn't even done even the minimal crappy self-experiments he could've done very easily, like randomize weeks on and off Soylent! Nor, AFAIK, has he published any of the results from the early volunteers or anything, really. This is ridiculous.
See also Hacker News
I failed to get this through the UWash e-journals.
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